2. (noun)helmetflower, helmet orchid any of several orchids of the genus Coryanthes having racemes of a few musky-scented waxy flowers with a helmet-shaped lip process Synonyms: helmetflower, monkshood, greenhood, helmetflower, skullcap, helmetorchid
3. (noun)monkshood, helmetflower, helmet flower, Aconitum napellus a poisonous herb native to northern Europe having hooded blue-purple flowers; the dried leaves and roots yield aconite Synonyms: helmetflower, monkshood, helmetflower, skullcap, helmetorchid